Better Lesson
Better Lesson: Lucky Luggage Tags: An International Challenge
This lesson plan solidifies students' understanding of time to the hour (while enriching with basic geography content) and continues to build back up to 3rd grade goal of time to the minute.
National Council of Teachers of Mathematics
Nctm: Figure This: Vcr
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
University of Cambridge
University of Cambridge: Nrich: 5 on the Clock
Use your math skills to solve this problem involving a digital clock face. Solution included.
University of Cambridge
University of Cambridge: Nrich: Wonky Watches
Sharpen your logic and time skills while working on this challenge. Solution available.
Shodor Education Foundation
Shodor Interactivate: Lesson: Clock Arithmetic and Cryptography
This lesson plan is designed to guide young scholars in practicing their basic arithmetic skills by learning about clock arithmetic and cryptography. Linked resources include helpful applets.
University of Cambridge
University of Cambridge: Nrich: Take the Right Angle
Sharpen your logic, time, and angle recognition skills while working on this challenge. The solution is available to double check your results. (Hint: Use the "90 degree" right angle button on the clock to check if something is a right...
University of Cambridge
University of Cambridge: Nrich: How Many Times?
Sharpen your logic and digital clock-reading skills while working on this challenge. Solution available.
University of Cambridge
University of Cambridge: Nrich: A Rod and a Pole
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.